unawares to Laban. Hebrew stole the heart. Figure of speech Synecdoche (of the Part), App-6, heart being put for knowledge. Compare Genesis 31:27. Rachel stole Laban's idols; and Jacob stole Laban's heart.
Related Commentaries of Genesis 31:20
Genesis 31:20
20 And Jacob stole away unawaresd to Laban the Syrian, in that he told him not that he fled.